Studies on the Isolation of Parahydroxy Benzoic Acid from the Leaves of Cassia Alata. Bangladesh Journal of Scientific and Industrial Research, [S. l.], v. 41, n. 1, p. 89–92, 2007. DOI: 10.3329/bjsir.v41i1.275. Disponível em: https://www.banglajol.info/index.php/BJSIR/article/view/275. Acesso em: 4 jul. 2026.